At an early age, Batsa Gopal Vaidya was asked by his brother to copy pictures from different books in order to strengthen the family's medical lore. Later, he was inspired by the drawings of his arts teacher Lin Bahadur Chitrakar and took up art as one of his subjects in high school. He went on to J.J. School of Arts in Mumbai, India, to complete his Bachelors degree in art through an Indian Cultural Scholarship program. He specialized in printmaking and painted in in acrylic and oil.

In 1971, Sashi Shah, Krishna Manandhar, Indra Pradhan, and Batsa Gopal Vaidya came together to initiate an arts organization by the name of Skib. The four of them promoted other artists as well as themselves through this organization until the death of Pradhan.

In 1996, Batsa Gopal Vaidya's painting, a mandala representing Lord Ganesha, based on Panchatatwa, was selected to be exhibited in Osaka, Japan.

While he captures temples, stupas, chaityas, viharas, and festivals in his paintings, he uses soft colors and elusive imagery to portray his messages. He feels that heritage bequeathed upon us by our ancestors is important. Art critic S.K. Singh says that Vaidya's art links the apirituality of ancient Nepal to modern day life.

Particularly with the growing number of modern buildings around national monuments, temples, statues, stupas, and chaityas, and encroachment of cultural heritage, Vaidya feels that spiritual values are diminishing.
As Nepal isn't an industrial country and as most of our income depends upon the tourist industries, he believes that we should importance to traditions, natural resources, and arts and work to preserve them. He is pleased that Bhaktapur City has been successful in maintaining its traditional looks by building in traditional designs and feels sorrow that Kathmandu and Lalitpur have not been able to do the same.

He advises the aspiring artists to be patient and learn artistic techniques before they start working for money. Though the importance of the arts and artists have increased over the past decades, he hopes that the government takes step to conserve contemporary as well as traditional artwork.

Vaidya's artworks are on exhibit at international venues like Britain's Bradford Musuem, Japan's Fukuoka, Lister Park, and Artright. They are also on display at the Royal Palace, Birendra Art Gallery, United Nations Building, Gorkha Darbar, and other places. He is also an author of books related to art.

Vaidya was awarded first position in competitions organized by National Association of Fine Arts, Birendra Exhibitions, and Bimel Exhibitions. He received the Gorkha Dachin Bahu in 1993 and has opened a private arts college in Nepal. He is presently active in different organizations like National Association of Fine Arts, Royal Nepal Academy, Nepal Artists Society, Srijana Art Gallery, and Department of Arts and Sculptures at Tribhuvan University. He lives at Saugal Tole, Lalitpur with his mother, wife, two sons and a daughter.